1）　　该系统主要处理教师评学信息。

2）　　班级信息主要包括：班级编号、班级名称、所在院系、评学成绩等内容。

3）　　教师信息主要包括：编号、姓名、电话等内容。

4）　　完成以下的操作：班级信息、教师信息、评学信息的录入、修改、删除和查询。

提示：

　　　1）建立学校类、教师类、班级类、评学类

　　　2）学校、教师、班级、评学信息的初始化

　　　3）学校、教师、班级、评学信息的添加、修改、删除、查找

　　　4）学校、教师、班级、评学信息的输出-1) The system mainly deal with school teacher assessment information. 2) Class information includes: Class ID, class name, where the faculty, academic performance assessment and other content. 3) teacher information including: number, name, telephone and so on. 4) Complete the following operations: class information, teacher information, assessment science information input, modify, delete, and query. Tips: 1) the establishment of schools category, class teachers, class category, assessment science class 2) schools, teachers, classes, assessment information science initialization 3) schools, teachers, classes, learning assessment information to add, modify, delete, search 4 ) schools, teachers, classes, assessment information science output